Talk:Keck Interferometer

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[edit] Is K temperature, and what is N?

K and N need explaining here: On the 85 m Keck-Keck baseline, the Keck Interferometer will have a spatial resolution of 5 milliarcseconds (mas) at 2.2 micrometres (µm), and 24 mas at 10 µm. In its most sensitive configuration, the interferometer would reach K=21 and N=10 mag in 1000 seconds of integration (SNR = 10 per baseline). - the text is a straight copy from Nasa, but I found no explanation there either. SNR appears to be signal to noise ratio, but I'm unclear what "per baseline" means. Any pointers? -213.219.141.119 23:15, 4 September 2006 (UTC)

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